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【简答题】
已知某产品的需求函数为Qd=60-2P ,供给函数为Qs=30+3P 。 ( 1 )求均衡点的需求弹性和供给弹性。 ( 2 )如果政府对每一件产品课以 5 元的销售税,政府的税收收入是多少,其中生产者和消费者各分摊多少?
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【单选题】Est-ce que tu as posé tes questions à tes parents? Non, je ne _____ ai pas posées. A. B. C. D.
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维生素D缺乏性佝偻病
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They could enjoy greater mobility.
B.
They would have no trouble driving.
C.
They would suffer no road accidents.
D.
They could go anywhere they want.
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A.
an ; an
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a; an
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查看完整题目与答案
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【单选题】There’s no question that self-driving vehicles could be an enormous benefit. The potential for safer cars means accident statistics would drop: some 94% of road accidents in the U. S. involve human er...
A.
They could enjoy greater mobility.
B.
They would have no trouble driving.
C.
They would suffer no road accidents.
D.
They could go anywhere they want.
查看完整题目与答案